/**
 * Created by jiachenpan on 16/11/18.
 */
export function downloadBlobFile(res) {
    const link = document.createElement('a')
    const blob = new Blob([res.data], {
        type: res.headers['content-type'],
    })
    link.style.display = 'none'
    link.href = URL.createObjectURL(blob)
    link.setAttribute(
        'download',
        decodeURIComponent(res.headers['content-disposition'].slice('attachment;filename=='.length)),
    )
    document.body.appendChild(link)
    link.click()
    document.body.removeChild(link)
}
export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
        return null
    }
    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
        date = time
    } else {
        if (('' + time).length === 10) time = parseInt(time) * 1000
        date = new Date(time)
    }
    const formatObj = {
        y: date.getFullYear(),
        m: date.getMonth() + 1,
        d: date.getDate(),
        h: date.getHours(),
        i: date.getMinutes(),
        s: date.getSeconds(),
        a: date.getDay(),
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
        let value = formatObj[key]
        if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
        if (result.length > 0 && value < 10) {
            value = '0' + value
        }
        return value || 0
    })
    return time_str
}

export function formatTime(time, option) {
    time = +time * 1000
    const d = new Date(time)
    const now = Date.now()

    const diff = (now - d) / 1000

    if (diff < 30) {
        return '刚刚'
    } else if (diff < 3600) {
        // less 1 hour
        return Math.ceil(diff / 60) + '分钟前'
    } else if (diff < 3600 * 24) {
        return Math.ceil(diff / 3600) + '小时前'
    } else if (diff < 3600 * 24 * 2) {
        return '1天前'
    }
    if (option) {
        return parseTime(time, option)
    } else {
        return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
    }
}

// 格式化时间
export function getQueryObject(url) {
    url = url == null ? window.location.href : url
    const search = url.substring(url.lastIndexOf('?') + 1)
    const obj = {}
    const reg = /([^?&=]+)=([^?&=]*)/g
    search.replace(reg, (rs, $1, $2) => {
        const name = decodeURIComponent($1)
        let val = decodeURIComponent($2)
        val = String(val)
        obj[name] = val
        return rs
    })
    return obj
}

/**
 *get getByteLen
 * @param {Sting} val input value
 * @returns {number} output value
 */
export function getByteLen(val) {
    let len = 0
    for (let i = 0; i < val.length; i++) {
        if (val[i].match(/[^\x00-\xff]/gi) != null) {
            len += 1
        } else {
            len += 0.5
        }
    }
    return Math.floor(len)
}

export function cleanArray(actual) {
    const newArray = []
    for (let i = 0; i < actual.length; i++) {
        if (actual[i]) {
            newArray.push(actual[i])
        }
    }
    return newArray
}

export function param(json) {
    if (!json) return ''
    return cleanArray(
        Object.keys(json).map(key => {
            if (json[key] === undefined) return ''
            return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
        }),
    ).join('&')
}

export function param2Obj(url) {
    const search = url.split('?')[1]
    if (!search) {
        return {}
    }
    return JSON.parse(
        '{"' +
        decodeURIComponent(search)
        .replace(/"/g, '\\"')
        .replace(/&/g, '","')
        .replace(/=/g, '":"') +
        '"}',
    )
}

export function html2Text(val) {
    const div = document.createElement('div')
    div.innerHTML = val
    return div.textContent || div.innerText
}

export function objectMerge(target, source) {
    /* Merges two  objects,
     giving the last one precedence */

    if (typeof target !== 'object') {
        target = {}
    }
    if (Array.isArray(source)) {
        return source.slice()
    }
    Object.keys(source).forEach(property => {
        const sourceProperty = source[property]
        if (typeof sourceProperty === 'object') {
            target[property] = objectMerge(target[property], sourceProperty)
        } else {
            target[property] = sourceProperty
        }
    })
    return target
}

export function scrollTo(element, to, duration) {
    if (duration <= 0) return
    const difference = to - element.scrollTop
    const perTick = (difference / duration) * 10
    setTimeout(() => {
        element.scrollTop = element.scrollTop + perTick
        if (element.scrollTop === to) return
        scrollTo(element, to, duration - 10)
    }, 10)
}

export function toggleClass(element, className) {
    if (!element || !className) {
        return
    }
    let classString = element.className
    const nameIndex = classString.indexOf(className)
    if (nameIndex === -1) {
        classString += '' + className
    } else {
        classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length)
    }
    element.className = classString
}

export const pickerOptions = [{
        text: '今天',
        onClick(picker) {
            const end = new Date()
            const start = new Date(new Date().toDateString())
            end.setTime(start.getTime())
            picker.$emit('pick', [start, end])
        },
    },
    {
        text: '最近一周',
        onClick(picker) {
            const end = new Date(new Date().toDateString())
            const start = new Date()
            start.setTime(end.getTime() - 3600 * 1000 * 24 * 7)
            picker.$emit('pick', [start, end])
        },
    },
    {
        text: '最近一个月',
        onClick(picker) {
            const end = new Date(new Date().toDateString())
            const start = new Date()
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 30)
            picker.$emit('pick', [start, end])
        },
    },
    {
        text: '最近三个月',
        onClick(picker) {
            const end = new Date(new Date().toDateString())
            const start = new Date()
            start.setTime(start.getTime() - 3600 * 1000 * 24 * 90)
            picker.$emit('pick', [start, end])
        },
    },
]

export function getTime(type) {
    if (type === 'start') {
        return new Date().getTime() - 3600 * 1000 * 24 * 90
    } else {
        return new Date(new Date().toDateString())
    }
}

export function debounce(func, wait, immediate) {
    let timeout, _args, context, timestamp, result

    const later = function () {
        // 据上一次触发时间间隔
        const last = +new Date() - timestamp

        // 上次被包装函数被调用时间间隔last小于设定时间间隔wait
        if (last < wait && last > 0) {
            timeout = setTimeout(later, wait - last)
        } else {
            timeout = null
            // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
            if (!immediate) {
                result = func.apply(context, _args)
                if (!timeout) context = _args = null
            }
        }
    }

    return function (...args) {
        _args = args
        context = this
        timestamp = +new Date()
        const callNow = immediate && !timeout
        // 如果延时不存在，重新设定延时
        if (!timeout) timeout = setTimeout(later, wait)
        if (callNow) {
            result = func.apply(context, _args)
            context = _args = null
        }

        return result
    }
}

export function deepClone(source) {
    if (!source && typeof source !== 'object') {
        throw new Error('error arguments', 'shallowClone')
    }
    const targetObj = source.constructor === Array ? [] : {}
    Object.keys(source).forEach(keys => {
        if (source[keys] && typeof source[keys] === 'object') {
            targetObj[keys] = source[keys].constructor === Array ? [] : {}
            targetObj[keys] = deepClone(source[keys])
        } else {
            targetObj[keys] = source[keys]
        }
    })
    return targetObj
}

export function isExternal(path) {
    return /^(https?:|mailto:|tel:)/.test(path)
}

function getTreeData(tree, values, prop) {
    for (var i in tree) {
        const val = tree[i][prop]
        if (val !== null) {
            values.push(val)
        }
        if (tree[i].children && tree[i].children.length > 0) {
            getTreeData(tree[i].children, values, prop)
        }
    }
}

export function getDataFromTree(tree, prop) {
    const values = []
    getTreeData(tree, values, prop)
    return values
}

export function getTreeNode(tree, prop, value) {
    for (var i in tree) {
        const val = tree[i][prop]
        if (val === value) {
            return tree[i]
        }
        if (tree[i].children && tree[i].children.length > 0) {
            const node = getTreeNode(tree[i].children, prop, value)
            if (node) {
                return node
            }
        }
    }
}

function getFlattenTree(tree, list) {
    for (var i in tree) {
        const node = tree[i]
        if (node) {
            list.push(node)
            if (node.children && node.children.length > 0) {
                getFlattenTree(node.children, list)
            }
        }
    }
}

export function flattenTree(tree) {
    const list = []
    getFlattenTree(tree, list)
    return list
}

export function setTreeInfo(tree, leafCallback = function () {}, parent = null, depth = 0) {
    for (let i = 0, len = tree.length; i < len; i++) {
        const node = tree[i]
        if (!node) {
            continue
        }
        node.depth = depth
        node.parent_id = parent && parent.id
        if (node && node.children && node.children.length > 0) {
            node.child_num = node.children.length
            setTreeInfo(node.children, leafCallback, node, depth + 1)
        } else {
            node.isLeaf = true
            if (i === len - 1) {
                leafCallback(node, parent)
            }
        }
    }
}

// new Date().getTime()
export function filterTime(timestamp) {
    //timestamp是整数，否则要parseInt转换
    let time = new Date(timestamp);
    let y = time.getFullYear();
    let d = time.getDate()
    let h = time.getHours()
    let mm = time.getMinutes()
    let m = time.getMonth() + 1
    if (m < 10) {
        m = '0' + m
    }
    if (h < 10) {
        h = '0' + h
    }
    if (d < 10) {
        d = '0' + d
    }
    if (mm < 10) {
        mm = '0' + mm
    }
    return y + '-' + m + '-' + d + ' ' + h + ':' + mm;
}


export function filterTimeDay(timestamp) {
    //timestamp是整数，否则要parseInt转换
    if (!timestamp) {
        return
    }
    let time = new Date(timestamp);
    let y = time.getFullYear();
    let d = time.getDate()
    // let h = time.getHours()
    // let mm = time.getMinutes()
    let m = time.getMonth() + 1
    if (m < 10) {
        m = '0' + m
    }
    if (d < 10) {
        d = '0' + d
    }
    return y + '-' + m + '-' + d;
}



export function filterTimeMonth1(timestamp) {

    let time = new Date(timestamp);
    let y = time.getFullYear();
    let m = time.getMonth() + 1
    if (m < 10) {
        m = '0' + m
    }
    return y + '-' + m
}


export function filterTimeMonth2(timestamp) {
    let time = new Date(timestamp);
    let y = time.getFullYear();
    let m = time.getMonth() + 1
    if (m > 0) {
        m = '01'
    }
    return y + '-' + m
}

export function toTell(val) {
    if (!!val) {
        let _browser = getBrowser();
        try {
            if (_browser.qq && _browser.QQbrw) { //qq
                window.location.href = 'wtai://wp/mc;' + val;
            } else {
                window.location.href = 'tel:' + val;
            }
        } catch (error) {
            this.$toast({
                message: error
            })
        }
    }
}

function getBrowser() {
    let u = navigator.userAgent,
        ua = navigator.userAgent.toLocaleLowerCase(),
        app = navigator.appVersion;
    return {
        trident: u.indexOf('Trident') > -1,
        /*IE内核*/
        presto: u.indexOf('Presto') > -1,
        /*opera内核*/
        webKit: u.indexOf('AppleWebKit') > -1,
        /*苹果、谷歌内核*/
        gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,
        /*火狐内核*/
        mobile: !!u.match(/AppleWebKit.*Mobile.*/),
        /*是否为移动终端*/
        ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/),
        /*ios终端*/
        android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1,
        /*android终端或者uc浏览器*/
        iPhone: u.indexOf('iPhone') > -1,
        /*是否为iPhone或者QQHD浏览器*/
        iPad: u.indexOf('iPad') > -1,
        /*是否iPad*/
        webApp: u.indexOf('Safari') == -1,
        /*是否web应该程序，没有头部与底部*/
        souyue: u.indexOf('souyue') > -1,
        superapp: u.indexOf('superapp') > -1,
        weixin: u.toLowerCase().indexOf('micromessenger') > -1,
        qq: ua.match(/QQ/i) == "qq", // QQ
        weiBo: ua.match(/WeiBo/i) == "weibo", // 微博
        Safari: u.indexOf('Safari') > -1,
        QQbrw: u.indexOf('MQQBrowser') > -1, // QQ浏览器
        webview: !(u.match(/Chrome\/([\d.]+)/) || u.match(/CriOS\/([\d.]+)/)) && u.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
        ucweb: function () {
            try {
                return parseFloat(u.match(/ucweb\d+\.\d+/gi).toString().match(/\d+\.\d+/).toString()) >= 8.2
            } catch (e) {
                if (u.indexOf('UC') > -1) {
                    return true;
                }
                return false;
            }
        }(),
        Symbian: u.indexOf('Symbian') > -1,
        ucSB: u.indexOf('Firofox/1.') > -1
    };
}


// 为数组对象值添加parentKey属性
export function addParentKey(
    arr = [],
    valueKey = 'value',
    childrenKey = 'children',
    parentKey = 'parent'
) {
    if (!arr || !Array.isArray(arr) || arr.length === 0) return [];
    const data = JSON.parse(JSON.stringify(arr));

    function addKey(data, parent) {
        data.forEach(item => {
            const value = item[valueKey];
            const children = item[childrenKey];
            item[parentKey] = parent;
            const parentValue = item[parentKey] ?
                `${item[parentKey]},${value}` :
                value;
            if (children) {
                addKey(children, parentValue);
            }
        })
    }
    addKey(data, null);
    return data;
}

// 查找数组中的值
export function parseFindValue(
    arr = [],
    key,
    value
) {
    for (let k in arr) {
        let item = arr[k];
        if (typeof item == 'object') {
            let result = parseFindValue(item, key, value);
            if (result) return result;
        } else {
            if (k == key) {
                if (item == value) return arr;
            }
        }
    }
}